/*-- 布局 start --*/

/*header*/
.header-container {
  background-color: #fff;
  border-bottom: 1px solid #dadada;
}
.header-logo-container,
.header-btn-container,
.header-nav-container {
  height: 64px;
}
.header-btn-container {
  display: flex;
  justify-content: flex-end;
  align-items: center;
}

/*nav*/
.nav-container {
  overflow: hidden;
  position: relative;
  /* 将border隐藏起来 */
  top: -1px;
  height: 0;
  border-bottom: 1px solid #dadada;
  transition: height 0.5s;
}
.nav-container-extended {
  top: 0;
  height: 201px;
}

/*slider*/
.slider-container {
  margin-top: 20px;
  margin-bottom: 20px;
}
.slider-container .row {
  background-color: #f5f5f5;
  margin-left: 0;
  margin-right: 0;
}
/* 中屏级以上768px */
@media (min-width: 768px) {
  /* 重写覆盖，因为内容没有居中 */
  .slider-container .row {
    display: flex;
    align-items: center;
  }
}
.slider-text-container {
  padding: 20px 0;
}

/*product*/
.product-container {
  margin-bottom: 20px;
}

/*backtop*/
.backtop-container {
  background-color: #fff;
  border-top: 1px solid #dadada;
  border-bottom: 1px solid #dadada;
}

/*helper*/
.helper-container {
  padding-top: 20px;
  padding-bottom: 10px;
  background-color: #f7f7f7;
  font-size: 12px;
}
.helper-info-container {
  margin-bottom: 20px;
  line-height: 1.6;
}
.helper-backtop-container {
  margin-bottom: 10px;
}

/*footer*/
.footer-container {
  padding: 15px 0;
  background-color: #363636;
  color: #a6a6a6;
  font-size: 12px;
  line-height: 2;
}

/*-- 布局 end --*/

/*-- 组件 start --*/

/*btn-toggle*/
.btn-toggle {
  padding: 10px;
  background-color: transparent;
  border: none;
  border-radius: 4px;
  cursor: pointer;
}
.btn-toggle:hover {
  background-color: #f9f9f9;
}
.btn-toggle:hover .btn-toggle-bar {
  background-color: #1428a0;
}
.btn-toggle-bar {
  display: block;
  width: 24px;
  height: 4px;
  background-color: #363636;
  border-radius: 2px;
}

/* 要找的是btn-toggle-bar但是它前面必须要有一个btn-toggle-bar */
.btn-toggle-bar + .btn-toggle-bar {
  margin-top: 4px;
}

/*btn-rounded*/
.btn-rounded {
  /* 因为是A标签，所以需要设置inline-block才可以设置宽高 */
  display: inline-block;
  padding: 10px 30px;
  background-color: transparent;
  border: 1px solid #000;
  border-radius: 30px;
  color: #000;
  font-size: 16px;
  font-weight: bold;
  transition: all 0.3s;
}
.btn-rounded:hover {
  background-color: #000;
  color: #fff;
}

/*btn-backtop*/
.btn-backtop:after {
  content: "";
  position: relative;
  top: -2px;
  left: 5px;
  display: inline-block;
  width: 10px;
  height: 6px;
  background-image: url(../img/up.svg);
}
.btn-backtop:hover:after {
  background-image: url(../img/up-hover.svg);
}

/*btn-share*/
.btn-share {
  display: inline-block;
  width: 30px;
  height: 30px;
  background-size: 100% 100%;
}
.btn-share-weixin {
  background-image: url(../img/weixin.svg);
}
.btn-share-weixin:hover {
  background-image: url(../img/weixin-hover.svg);
}
.btn-share-weibo {
  background-image: url(../img/weibo.svg);
}
.btn-share-weibo:hover {
  background-image: url(../img/weibo-hover.svg);
}

/*-- 组件 end --*/

/*-- 内容 start --*/

/*header*/
.header-logo {
  display: flex;
  align-items: center;
  width: 136px;
  height: 100%;
}
.header-nav,
.header-nav-item,
.header-nav-link {
  height: 100%;
}
.header-nav {
  display: flex;
  justify-content: flex-end;
  font-size: 14px;
}
.header-nav-item {
  margin-left: 24px;
}
.header-nav-item:first-child {
  margin-left: 0;
}
.header-nav-link {
  display: flex;
  align-items: center;
  font-weight: bold;
}

/*nav*/
.nav-link {
  display: block;
  height: 40px;
  line-height: 40px;
  font-weight: bold;
}

/*slider*/
.slider-title,
.slider-subtitle,
.slider-btns {
  margin-bottom: 20px;
  text-align: center;
}
.slider-title {
  font-size: 30px;
}
.slider-subtitle {
  font-size: 20px;
  font-weight: normal;
}
.slider-btns .btn-rounded {
  margin-right: 10px;
  margin-bottom: 10px;
}
.slider-btns .btn-rounded:last-child {
  margin-right: 0;
}

/*product*/
.product-item {
  overflow: hidden;
  display: block;
}
.product-img {
  transition: transform 1s;
}
.product-img:hover {
  transform: scale(1.2);
}

/*backtop*/
.backtop-container .btn-backtop {
  display: block;
  padding: 18px 0;
  text-align: center;
}

/*helper*/
.helper-list-title {
  font-size: 16px;
  height: 32px;
}
.helper-list {
  margin-bottom: 10px;
}
.helper-list li {
  height: 28px;
}
.helper-list .btn-share {
  margin-top: 10px;
  margin-right: 12px;
}
.helper-list .btn-share:last-child {
  margin-right: 0;
}

/*footer*/
.footer-item {
  display: inline-block;
  margin-right: 20px;
}
.footer-item:last-child {
  margin-right: 0;
}
.footer-link {
  color: #fff;
  font-size: 14px;
  font-weight: bold;
}
.footer-link:hover {
  color: #fff;
  text-decoration: underline;
}

/*-- 内容 end --*/
